docs: def datasets_update(self, dataset_name, dataset_info):
      """Updates the Dataset info.
  
      Args:
        dataset_name: the name of the dataset to update as a tuple of components.
        dataset_info: the Dataset resource with updated fields.
      """
      url = Api._ENDPOINT + (Api._DATASETS_PATH % dataset_name)
      return datalab.utils.Http.request(url, method='PUT', data=dataset_info,
                                        credentials=self._credentials)